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Section 4 - ADJUSTMENTS & REPAIR
WARNING
DO NOT attempt any adjustments, maintenance,
service or repairs with the engine running. Stop
engine. Stop blade. Engage parking brake. Remove
key. Remove spark plug wire from spark plug and
secure away from plug. Engine and components are
HOT. Avoid serious burns, allow all parts to cool
before working on machine. Fuel Filler Cap and Vent
must be closed securely to prevent fuel spillage.
4.1 NEUTRAL POSITION & TRACKING ADJUSTMENTS
The joystick controls the movement and stopping of the
machine. Move the joystick to the center or neutral
position to stop machine. IMPORTANT: Always return
the joystick with hand assistance to the neutral
position. If machine does not come to a complete
stop or has any movement when joystick is moved
to the neutral position, adjustment must be made. It
is recommended that these adjustments be made by an
authorized SNAPPER dealer.
4.1.1. NEUTRAL POSITION
1. Turn key to the ”OFF” position.
2. Raise both rear wheels off the ground. Wheels
should be high enough to rotate freely. Machine
should also be high enough to view the hydro
pumps that are located underneath the main case.
Secure the machine with safety blocks.
3. Turn key to start position and start machine.
Move engine speed control to “FAST” position.
4. Disengage parking brake. Both rear wheels
should not have any movement, not rotating. If
wheels are not rotating, no adjustment is
necessary.
5. If wheel or wheels are rotating, the hydro
pumps will have to be adjusted until neutral position
is found.
6. NOTE: Neutral positioning brackets are located
in the rear of the right side hydro pump (Shown in
Illustration) and in the front of the left hydro pump.
Locate the neutral positioning brackets on the hydro
pumps. See Figure 4.1. IMPORTANT: It is
necessary to disconnect the rear chain deck
hangers and lower the rear of the deck to gain
access to adjust left hydro pump.
7. Loosen the nuts that secure the brackets.
Insert a small screwdriver all the way into both of
the brackets. See Figure 4.1 Move screwdriver up
or down to establish the neutral position and until
the wheel stops moving. The outside bracket will be
the only one that moves. Retighten nuts securely.
Repeat procedure for other hydro pump. After
adjustment, turn key to the “OFF” position.
Reconnect the rear deck hanger chains to main
case to secure deck. Return machine back to its
wheels.
FIGURE 4.1
INSERT SCREWDRIVER
INTO BOTH BRACKETS
MOVE SCREWDRIVER
UP OR DOWN TO FIND
NEUTRAL POSITION
OUTSIDE
BRACKET
LOOSEN
NUTS
RIGHT SIDE HYDRO
PUMP SHOWN